http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Division of Conferences and Organizations.
Volumes for issued in the Congress and conference series of the Pan American Union; in the Official records of the Organization of American States.
Vols. for published by the Pan American Union ( by the Union's Division of Conferences and Organizations); 19 - by the General Secretariat of the OAS.